The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Lethem Airport (LTM) in Lethem, Guyana is 4,338 kilometers (2,696 miles / 2,342 nautical miles). The estimated flight time for this route is approximately 6h, flying south southeast at a heading of 151°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting United States with Guyana. It is an intercontinental flight between North America and South America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 11:04 in Washington, it's 12:04 in Lethem.

The return flight from Lethem (LTM) to Washington (IAD) follows a heading of 338° (north northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Washington Dulles International Airport (IAD) and Lethem Airport (LTM) detail pages, or use our flight duration calculator to compare other routes.